CN108833115B - 一种基于区块链的多方公平pdf合同签署方法 - Google Patents
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- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0863—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving passwords or one-time passwords
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Families Citing this family (29)
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CN109361504B (zh) * | 2018-12-04 | 2021-10-08 | 桂林电子科技大学 | 一种基于区块链的多用户通信密钥协商方法 |
CN109743171B (zh) * | 2018-12-06 | 2022-04-12 | 广州博士信息技术研究院有限公司 | 一种解决多方数字签名、时间戳及加密的密钥串联方法 |
CN110048846B (zh) * | 2018-12-12 | 2020-04-14 | 阿里巴巴集团控股有限公司 | 一种基于区块链智能合约的签名验证方法及系统 |
CN109784917B (zh) * | 2018-12-13 | 2020-11-17 | 如般量子科技有限公司 | 基于对称密钥池的抗量子计算区块链保密交易系统和方法 |
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CN109919610A (zh) * | 2019-01-14 | 2019-06-21 | 如般量子科技有限公司 | 基于p2p公钥池的抗量子计算区块链保密交易方法和系统 |
CN109919609A (zh) * | 2019-01-14 | 2019-06-21 | 如般量子科技有限公司 | 基于公钥池的抗量子计算区块链保密交易方法和系统 |
CN109617699A (zh) * | 2019-01-16 | 2019-04-12 | 北京沃东天骏信息技术有限公司 | 一种密钥生成方法、区块链网络服务平台及存储介质 |
CN109615378B (zh) * | 2019-01-24 | 2021-06-15 | 上海点融信息科技有限责任公司 | 基于区块链的安全多方计算方法、装置及可读存储介质 |
CN109687979A (zh) * | 2019-03-06 | 2019-04-26 | 郑州师范学院 | 一种环签名方法、装置、设备及介质 |
CN110008754A (zh) * | 2019-03-18 | 2019-07-12 | 阿里巴巴集团控股有限公司 | 一种对沟通记录进行区块链存证方法及系统 |
CN110033269A (zh) * | 2019-03-18 | 2019-07-19 | 阿里巴巴集团控股有限公司 | 基于区块链的合同磋商方法及装置、电子设备、存储介质 |
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TWI704794B (zh) * | 2019-03-29 | 2020-09-11 | 區塊科技股份有限公司 | 基於區塊鏈的合約簽核與驗證系統及其實施方法 |
CN110011795B (zh) * | 2019-04-12 | 2021-07-30 | 郑州轻工业学院 | 基于区块链的对称群组密钥协商方法 |
CN110113157A (zh) * | 2019-05-05 | 2019-08-09 | 江苏全链通信息科技有限公司 | 基于区块链的合同处理方法、设备、网络及存储介质 |
CN109995509B (zh) * | 2019-05-08 | 2021-07-06 | 西安电子科技大学 | 基于消息恢复签名的认证密钥交换方法 |
CN112039821B (zh) * | 2019-06-03 | 2022-09-27 | 本无链科技(深圳)有限公司 | 一种基于区块链的群组内私密消息交换方法及系统 |
CN112084526A (zh) * | 2019-06-12 | 2020-12-15 | 阿里巴巴集团控股有限公司 | 基于区块链多重签名的原产地数字证书实现方法及设备 |
CN110298661B (zh) * | 2019-07-01 | 2023-06-23 | 贵州大学 | 基于智能合约的大数据安全公平交换方法 |
CN110647553B (zh) * | 2019-08-02 | 2022-05-24 | 广州供电局有限公司 | 一种基于区块链的电力交易合同管理方法及系统 |
US11088851B2 (en) | 2019-09-04 | 2021-08-10 | Gk8 Ltd | Systems and methods for signing of a message |
CN111062833A (zh) * | 2019-11-26 | 2020-04-24 | 青岛大学 | 一种合同数据的签名认证方法及相关装置 |
CN111355592B (zh) * | 2020-03-03 | 2022-06-10 | 泰华智慧产业集团股份有限公司 | 一种基于区块链的以太坊智能合约电子签章系统及方法 |
CN111539000B (zh) * | 2020-04-17 | 2022-06-28 | 福建福昕软件开发股份有限公司 | 一种基于pdf文档的简化电子签名流程的方法、系统及装置 |
CN112187767A (zh) * | 2020-09-23 | 2021-01-05 | 上海万向区块链股份公司 | 基于区块链的多方合同共识系统、方法及介质 |
CN113411188B (zh) * | 2021-05-19 | 2022-08-02 | 广州炒米信息科技有限公司 | 电子合同签署方法、装置、存储介质及计算机设备 |
CN113378196B (zh) * | 2021-06-21 | 2022-04-15 | 中山大学 | 基于区块链的多方合同签署方法 |
CN113761582B (zh) * | 2021-09-29 | 2023-06-16 | 山东省计算中心(国家超级计算济南中心) | 基于群签名的可监管区块链交易隐私保护方法及系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160283920A1 (en) * | 2015-03-28 | 2016-09-29 | Justin Fisher | Authentication and verification of digital data utilizing blockchain technology |
WO2017079652A1 (en) * | 2015-11-05 | 2017-05-11 | Pulsifer Allen | Cryptographic transactions system |
CN106504008B (zh) * | 2016-10-24 | 2017-12-29 | 中山大学 | 一种基于区块链的公平合同签署方法 |
CN106960165B (zh) * | 2017-03-13 | 2020-12-22 | 广东网金控股股份有限公司 | 一种基于区块链智能合约实现电子合同多方会签的方法 |
CN107040383B (zh) * | 2017-04-24 | 2018-01-30 | 中山大学 | 一种基于区块链的盲可验证加密签名方法 |
CN107171794B (zh) * | 2017-06-27 | 2019-10-22 | 葛峰 | 一种基于区块链和智能合约的电子文书签署方法 |
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